CHENNAI : Chennaiites would do well to carry umbrellas while stepping out over the weekend, with the Regional Meteorological Centre (RMC) forecasting heavy rain in Chennai and several other districts on October 18 and 19. Heavy rain is expected across Tamil Nadu over the coming days, with widespread rainfall likely to continue until October 26. VR Durai, director and senior atmospheric scientist, RMC, Chennai, said: “By the end of October, we expect a system to cross the Odisha coast, which will bring more rain to the coastal parts of Tamil Nadu.” Rainfall in Chennai and neighbouring district...